llvm/test/Transforms/InstCombine/call-intrinsics.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

20 lines
611 B
LLVM

; RUN: opt < %s -instcombine | llvm-dis
@X = global i8 0 ; <i8*> [#uses=3]
@Y = global i8 12 ; <i8*> [#uses=2]
declare void @llvm.memmove.i32(i8*, i8*, i32, i32)
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
declare void @llvm.memset.i32(i8*, i8, i32, i32)
define void @zero_byte_test() {
; These process zero bytes, so they are a noop.
call void @llvm.memmove.i32( i8* @X, i8* @Y, i32 0, i32 100 )
call void @llvm.memcpy.i32( i8* @X, i8* @Y, i32 0, i32 100 )
call void @llvm.memset.i32( i8* @X, i8 123, i32 0, i32 100 )
ret void
}